"The
third way to set scavenging on records is by using DNScmd.exe with the /ageallrecords switch. Let's pause here for a few moments to consider a few important words: All, Records, Delete, Stuff. If you actually run this command against a zone it
will truly set scavenging and a timestamp on all records in the zone including static records that you never want to be scavenged. Because of the time it takes scavenging to do it's thing people find this command and get tempted to give it a try.
Do not. It will delete stuff. Have patience instead."

"The
third way to set scavenging on records is by using DNScmd.exe with the /ageallrecords switch. Let's pause here for a few moments to consider a few important words: All, Records, Delete, Stuff. If you actually run this command against a zone it
will truly set scavenging and a timestamp on all records in the zone including static records that you never want to be scavenged. Because of the time it takes scavenging to do it's thing people find this command and get tempted to give it a try.
Do not. It will delete stuff. Have patience instead."

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